Add unit test to increase code coverage.

[hossain-khan]

Investigate why following only considers one java file. https://codecov.io/gh/amardeshbd/android-daily-headlines

Add unit test for presenter as well.

Resources

• https://blog.gouline.net/code-coverage-on-android-with-jacoco-92ec90c9355e#.6ktwhfqgr
• http://stackoverflow.com/a/23965581/132121
• http://stackoverflow.com/questions/29133761/jacoco-code-coverage-in-android-studio
• https://github.com/codacy/codacy-coverage-reporter#gradle-task
• https://gist.github.com/aalmiray/e6f54aa4b3803be0bcac

[hossain-khan]

Check this example project with codecov https://github.com/yigit/android-priority-jobqueue

[hossain-khan]

Here is guidelines for codacy https://github.com/codacy/codacy-coverage-reporter#gradle-task